<template>
  <div class="container">
    <div class="header">
      <van-icon @click="goBack" name="arrow-left" class="header-left" size="30" />
      填写服务订单
    </div>
    <status-bar item="0" />
    <van-cell class="cell">
      <template #title>
        <van-image
          width="25"
          height="25"
          :src="createInfo.service.serviceImg"
        />
        <span class="server-name">{{ createInfo.service.serviceName }}</span>
      </template>
      <template #default>
        <div class="service-text">
          服务内容
        </div>
      </template>
    </van-cell>
    <van-cell-group>
      <van-cell class="cell">
        <template #title>就诊医院</template>
        <template #default>
          <div @click="showHospital=true">
            {{ form.hospital_name || "请选择就诊医院" }}
            <van-icon name="arrow" />
          </div>
        </template>
      </van-cell>
      <van-cell class="cell">
        <template #title>就诊时间</template>
        <template #default>
          <div @click="showStartTime=true">
            {{ currentDate || "请选择就诊时间" }}
            <van-icon name="arrow" />
          </div>
        </template>
      </van-cell>
      <van-cell class="cell">
        <template #title>陪诊师</template>
        <template #default>
          <div @click="showComponion=true">
            {{ componionName || "请选择陪诊师" }}
            <van-icon name="arrow" />
          </div>
        </template>
      </van-cell>
      <van-cell class="cell">
        <template #title>接送地址</template>
        <template #default>
          <van-field
            class="text"
            input-align="right"
            v-model="form.receiveAddress"
            placeholder="请填写接送地址"
          />
        </template>
      </van-cell>
      <van-cell class="cell">
        <template #title>联系电话</template>
        <template #default>
          <van-field
            class="text"
            input-align="right"
            v-model="form.receiveTel"
            placeholder="请填写联系电话"
          />
        </template>
      </van-cell>
    </van-cell-group>
    <van-cell-group title="服务需求" class="cell">
      <van-feild
        class="text"
        style="height: 100px;"
        v-model="form.demand"
        placeholder="请简单描述您需要就诊的科室..."
      />
    </van-cell-group>
    <van-button @click="submit" class="submit" type="primary" size="large">提交订单</van-button>
    <van-popup
      v-model:show="showHospital"
      position="bottom"
      :style="{ height: '30%' }"
    >
      <van-picker
        :columns="columns"
        @confirm="showHospConfirm"
        @cancel="showHospital=false"
      />
    </van-popup>

    <van-popup
      v-model:show="showTime"
      position="bottom"
      :style="{ height: '30%' }"
    >
      <van-date-picker
        @confirm="showTimeConfirm"
        @cancel="showStartTime=false"
        title="选择年月日"
        :min-date="minDate"
      />
    </van-popup>

    <van-popup
      v-model:show="showComponion"
      position="bottom"
      :style="{ height: '30%' }"
    >
      <van-picker
        :columns="componionColumns"
        @confirm="showComponionConfirm"
        @cancel="showComponion=false"
      />
    </van-popup>
    <!-- 支付二维码弹窗 -->
    <van-dialog :show-comfirm-button="false" v-model:show="showCode" >
      <van-icon name="cross" class="close" @click="closeCode" />
      <div>微信支付</div>
      <van-image width="150" height="150" :src="codeImg" />
      <div>请使用本人微信扫描二维码</div>
    </van-dialog>
  </div>
</template>
<script setup>
import { onMounted, getCurrentInstance, reactive, ref, computed } from 'vue';
import { useRouter } from 'vue-router';
import statusBar from '../../components/statusBar.vue';
import { showNotify } from 'vant';
import Qrcode from 'qrcode';

const router = useRouter();

const createInfo = reactive({
 companion: [],
 hospitals: [],
 service: {}
});

// 获取当前vue实例
const { proxy } = getCurrentInstance();

onMounted(async () => {
  const { data } = await proxy.$api.h5Companion();
  Object.assign(createInfo, data.data);
  console.log(createInfo);
});

// 点击返回
const goBack = () => {
  router.go(-1);
};

// form数据
const form = reactive({});

const showHospital = ref(false);

const showHospColums = computed(() => {
  return createInfo.hospitals.map(item => {
    return { text: item.name, value: item.id };
  })
});

// 选择医院
const showHospConfirm = (item) => {
  form.hospital_id =  item.selectedOptions[0].value;
  form.hospital_name =  item.selectedOptions[0].text;
  // 关闭弹出层
  showHospital.value = false;
};

// 就诊时间
const showStartTime = ref(false);

const currentDate = ref();

// 最小日期
const minDate = ref(new Date());

const showTimeConfirm = (item) => {
  const dateStr = item.selectedValues.join('-');
  currentDate.value = dateStr;
  form.starttime = new Date(dateStr).getTime();
  showStartTime.value = false;
};

// 选择陪诊师
const showComponion = ref(false);

const componionColumns = computed(() => {
  return createInfo.companion.map(item => {
    return { text: item.name, value: item.id };
  });
});

const componionName = ref();
const showComponionConfirm = (item) => {
  form.companion_id = item.selectedOptions[0].value;
  componionName.value = item.selectedOptions[0].text;
  showComponion.value = false;
};

const showCode = ref(false);
const codeImg = ref('');
const closeCode = () => {
  showCode.value = false;
  router.push('/order');
};

const submit = async () => {
  const params = [
    'hospital_id',
    'hospital_name',
    'demand',
    'companion_id',
    'receiveAddress',
    'tel',
    'starttime'
  ];
  for (const i of params) {
    if (!form[i]) {
      showNotify({ message: "请填写每一项" });
      return;
    }
  }
  const { data: orderRes } = await proxy.$api.createOrder(form);
  Qrcode.toDataUrl(orderRes.data.wx_code).then((url) => {
    showCode.value = true;
    codeImg.value = url;
  });
};

</script>
<style lang="less" scoped>
.container {
  background-color: #f0f0f0;
  height: 100vh;
}
.header {
  padding: 10px 0;
  text-align: center;
  line-height: 30px;
  font-size: 15px;
  .header-left {
    float: left;
  }
}

.cell {
  width: 95%;
  margin: 5px auto;
  background-color: #fff;
  ::v-deep(.van-field__control) {
    color: var(--van-cell-value-color);
  }
  ::v-deep(.van-cell__title) {
	display: flex;
	align-items: center;
  }
  .server-name {
	  margin-left: 10px;
  }
}
.service-text {
  background: url()
    no-repeat center center;
  background-size: 20px;
}
.sumbit {
  position: absolute;
  bottom: 0;
}
::v-deep(.van-dialog__content) {
  text-align: center;
  padding: 20px;
  .close {
    position: absolute;
    left: 20px;
  }
}
</style>